dist: xenial
sudo: required
language: rust
cache: cargo
rust:
  - nightly
  - beta
  - stable
matrix:
  allow_failures:
    - rust: nightly
addons:
  apt:
    packages:
      - libcurl4-openssl-dev
      - libelf-dev
      - libdw-dev
      - binutils-dev
      - cmake
      - ruby-ronn
before_script:
  - export PATH=$HOME/.cargo/bin:$PATH
  - cargo install cargo-update || echo "cargo-update already installed"
  - cargo install cargo-travis || echo "cargo-travis already installed"
  - cargo install-update -a # update outdated cached binaries
script:
  - |
      cargo build && cargo test
after_success:
  - |
      [ $TRAVIS_RUST_VERSION = stable ] && cargo coveralls
env:
  global:
    - TRAVIS_CARGO_NIGHTLY_FEATURE=""
notifications:
  email:
    on_success: never